What classes are used to Control the database connection?

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Anjali Sharma answered on January 9, 2023 Popularity 3/10 Helpfulness 1/10

answer What classes are used to Control the database connection?

What classes are used to Control the database connection?

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Following are the classes that are used to control database connection:

Data Source Utils

SmartData Source

AbstractData Source

SingleConnection DataSource

DriverManager DataSource

TransactionAware DataSourceProxy

DataSource TransactionManager

public static void main(String[] args)
{
     
    // Step 2: Creating connection using
    // Connection type and inbuilt function
    Connection con = null;
    PreparedStatement p = null;
    ResultSet rs = null;
 
    con = connection.connectDB();
 
    // Here, try block is used to catch exceptions
    try
    {
         
        // Here, the SQL command is used to store
        // String datatype
        String sql = "select * from customer";
        p = con.prepareStatement(sql);
        rs = p.executeQuery();
 
        // Here, print the ID, name, email
        // of the customers
        System.out.println("id\t\tname\t\temail");
 
        // Check condition
        while (rs.next())
        {
            int id = rs.getInt("id");
            String name = rs.getString("name");
            String email = rs.getString("email");
            System.out.println(id + "\t\t" + name +
                                    "\t\t" + email);
        }
    }
 
    // Catch block is used for exception
    catch (SQLException e)
    {
         
        // Print exception pop-up on the screen
        System.out.println(e);
    }
}
}

https://www.geeksforgeeks.org/how-to-create-a-database-connection/

Popularity 3/10 Helpfulness 1/10 Language javascript

Source: Grepper

Tags: javascript

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Contributed on Jan 09 2023

Anjali Sharma

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What classes are used to Control the database connection?

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